87 lines
2.4 KiB
Java
87 lines
2.4 KiB
Java
package eu.siacs.conversations.persistance;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.math.BigInteger;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.net.Uri;
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import android.util.Log;
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import eu.siacs.conversations.entities.Conversation;
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import eu.siacs.conversations.entities.Message;
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public class FileBackend {
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private static int IMAGE_SIZE = 1920;
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private Context context;
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public FileBackend(Context context) {
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this.context = context;
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}
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private File getImageFile(Message message) {
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Conversation conversation = message.getConversation();
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String prefix = context.getFilesDir().getAbsolutePath();
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String path = prefix+"/"+conversation.getAccount().getJid()+"/"+conversation.getContactJid();
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String filename = message.getUuid() + ".webp";
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return new File(path+"/"+filename);
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}
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public File copyImageToPrivateStorage(Message message, Uri image) {
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try {
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InputStream is = context.getContentResolver().openInputStream(image);
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File file = getImageFile(message);
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file.getParentFile().mkdirs();
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file.createNewFile();
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OutputStream os = new FileOutputStream(file);
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Bitmap originalBitmap = BitmapFactory.decodeStream(is);
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is.close();
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int w = originalBitmap.getWidth();
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int h = originalBitmap.getHeight();
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boolean success;
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if (Math.max(w, h) > IMAGE_SIZE) {
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int scalledW;
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int scalledH;
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if (w<=h) {
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scalledW = (int) (w / ((double) h/IMAGE_SIZE));
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scalledH = IMAGE_SIZE;
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} else {
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scalledW = IMAGE_SIZE;
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scalledH = (int) (h / ((double) w/IMAGE_SIZE));
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}
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Bitmap scalledBitmap = Bitmap.createScaledBitmap(originalBitmap, scalledW,scalledH, true);
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success = scalledBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os);
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} else {
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success = originalBitmap.compress(Bitmap.CompressFormat.WEBP, 75, os);
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}
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if (!success) {
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Log.d("xmppService","couldnt compress");
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}
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os.close();
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return file;
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} catch (FileNotFoundException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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} catch (IOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return null;
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}
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public Bitmap getImageFromMessage(Message message) {
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return BitmapFactory.decodeFile(getImageFile(message).getAbsolutePath());
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}
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}
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